Study under review: Effect of Vitamin D Supplementation, Omega-3 Fatty Acid Supplementation, or a Strength-Training Exercise Program on Clinical Outcomes in Older Adults: The DO-HEALTH Randomized Clinical Trial
Is there any effect of vitamin D and omega-3 supplementation, or strength training alone or in combination, on blood pressure, nonvertebral bone fractures, physical performance, infection rate or cognition?
Other Articles in Issue #76 (February 2021)
Safety spotlight: Sex, drugs, and weight loss supplements
We give the lowdown on a recent FDA crackdown on sexual enhancement and weight loss supplements.
Interview: Lauren Bruzzone, PhD, JD
We chat with CrossFitter Lauren Bruzzone about how she's stayed fit throughout her life.
Deep Dive: A heartbreaking story of EPA, DHA, and CVD
A major study looking at how pharmaceutical-grade fish oil affects CVD risk came up empty-handed. We cover that trial here and discuss its possible ramifications.
Deep Dive: Cutting carbs may help reverse diabetes, but dietary adherence remains a challenge
Low-carb diets can reverse diabetes for some people, but they can be challenging to stick to, and longer-term efficacy remains uncertain.
Curcumin reduces DOMS, with some caveats
A recent meta-analysis suggests a modest effect of curcumin on delayed-onset muscle soreness, but the quality of evidence ain't great.
Deep Dive: Keto, carbs, and calories
A tightly-controlled experiment found that short-term keto led to more ad libitum food intake than a higher-carb diet, raising further doubts about the carbohydrate-insulin model of obesity.
Deep Dive: Zinc and immunity
One big reason people take zinc is to boost immunity. This meta-analysis looked at the details of how supplementation impacted specific immune and inflammation markers.